![background image](http://html.mh-extra.com/html/acer/aspire-m3920/aspire-m3920_service-manual_5964075.webp)
Chapter 5
67
Connecting Case Components
After you have installed the motherboard into a case, you can begin connecting themotherboard components.
Refer to the following:
1.
Connect the CPU cooling fan cable to CPUFAN1.
2.
Connect the standard power supply connector to PWR2.
3.
Connect the case switches and indicator LEDs to the LEDH1.
4.
Connect the auxiliary case power supply connector to PWR1.
CPUFAN1: CPU Cooling Fan Power Connector
Pin
Signal Name
Function
1
GND
System ground
2
+12V
Power +12V
3
Sense
Sensor
4
PWM
PWM
Summary of Contents for Aspire M3920
Page 1: ...Acer Aspire M3920 Service Guide ...
Page 14: ...6 Chapter 1 ...
Page 28: ...20 Chapter 2 ...
Page 43: ...Chapter 3 35 Removing the Front Bezel 1 Disconnect the LED cable ...
Page 66: ...58 Chapter 4 ...